Eugene Rogers leads these music student choirs in a world premiere of composer Theodore Wiprud and librettist Richard Wesley’s new 90-minute oratorio inspired by Sundown Towns: A Hidden Dimension of American Racism, sociologist James Loewen’s landmark 2005 book exposing the history and persistence of all-white municipalities across the US. 8 p.m., Hill Auditorium. Free. (734) 764–0583.